Cheap Flights from San Diego Intl. Airport (SAN)

View AED880 flight on Sat, 27 December 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN)

  • Delta

    Delta

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Flights from San Diego Intl. Airport

Prices were available within the past 7 days and start at AED880 for one-way flights and AED640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tuesday, 30 December, 2025 - Monday, 5 January, 2026
SAN
San Diego
DEN
Denver
AED640 Roundtrip, found 3 days ago
AED640
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tuesday, 30 December, 2025 from San Diego to Denver, returning Monday, 5 January, 2026, priced at AED640 found 3 days ago
Frontier Airlines
Tuesday, 30 December, 2025 - Sunday, 4 January, 2026
SAN
San Diego
DEN
Denver
AED690 Roundtrip, found 3 days ago
AED690
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tuesday, 30 December, 2025 from San Diego to Denver, returning Sunday, 4 January, 2026, priced at AED690 found 3 days ago
Frontier Airlines
Thursday, 25 December, 2025 - Monday, 5 January, 2026
SAN
San Diego
DEN
Denver
AED730 Roundtrip, found 3 days ago
AED730
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thursday, 25 December, 2025 from San Diego to Denver, returning Monday, 5 January, 2026, priced at AED730 found 3 days ago
Frontier Airlines
Tuesday, 30 December, 2025 - Thursday, 1 January, 2026
SAN
San Diego
DEN
Denver
AED770 Roundtrip, found 3 days ago
AED770
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tuesday, 30 December, 2025 from San Diego to Denver, returning Thursday, 1 January, 2026, priced at AED770 found 3 days ago
Frontier Airlines
Tuesday, 30 December, 2025 - Wednesday, 31 December, 2025
SAN
San Diego
DEN
Denver
AED850 Roundtrip, found 3 days ago
AED850
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tuesday, 30 December, 2025 from San Diego to Denver, returning Wednesday, 31 December, 2025, priced at AED850 found 3 days ago
Frontier Airlines
Thursday, 25 December, 2025 - Thursday, 1 January, 2026
SAN
San Diego
DEN
Denver
AED860 Roundtrip, found 3 days ago
AED860
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thursday, 25 December, 2025 from San Diego to Denver, returning Thursday, 1 January, 2026, priced at AED860 found 3 days ago
Frontier Airlines
Monday, 29 December, 2025 - Tuesday, 30 December, 2025
SAN
San Diego
DEN
Denver
AED870 Roundtrip, found 3 days ago
AED870
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Monday, 29 December, 2025 from San Diego to Denver, returning Tuesday, 30 December, 2025, priced at AED870 found 3 days ago
Frontier Airlines
Friday, 26 December, 2025 - Monday, 5 January, 2026
SAN
San Diego
DEN
Denver
AED900 Roundtrip, found 3 days ago
AED900
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Friday, 26 December, 2025 from San Diego to Denver, returning Monday, 5 January, 2026, priced at AED900 found 3 days ago
United
Saturday, 27 December, 2025 - Friday, 2 January, 2026
SAN
San Diego
DEN
Denver
AED1,530 Roundtrip, found 3 days ago
AED1,530
Roundtrip
found 3 days ago
Select United flight, departing Saturday, 27 December, 2025 from San Diego to Denver, returning Friday, 2 January, 2026, priced at AED1,530 found 3 days ago
American Airlines
Saturday, 27 December, 2025 - Friday, 2 January, 2026
SAN
San Diego
DEN
Denver
AED1,830 Roundtrip, found 3 days ago
AED1,830
Roundtrip
found 3 days ago
Select American Airlines flight, departing Saturday, 27 December, 2025 from San Diego to Denver, returning Friday, 2 January, 2026, priced at AED1,830 found 3 days ago

Frequently asked questions

What is the airport code for San Diego Intl. Airport (SAN)?
San Diego Intl. Airport (SAN) uses the airport code: SAN.
How many terminals are there in SAN and how early should I arrive before my flight?
San Diego Airport comprises 2 terminals. Once you've locked in your flight, check with your air carrier regarding whether you'll be leaving from 1 or 2. For domestic journeys, aim to arrive 1.5-2 hours before your scheduled departure time. If you're traveling internationally, arrive 2-3 hours ahead of your flight to allow enough time for bag drop-off, security lines and getting to your gate.
Does San Diego Intl. Airport (SAN) have a hotel?
You can rest and relax before you jet off at the Sheraton San Diego Hotel and Marina. Offering a fitness facility, a wheelchair-accessible restaurant and a closed captioned TV, this upmarket hotel is just steps from the departure gates at San Diego Intl. Airport (SAN). The Luxury Downtown Loft and the Courtyard by Marriott San Diego Airport/Liberty Station are fantastic choices near the airport. Book a room at either the evening before your flight and your departure gate will be just minutes away. The Luxury Downtown Loft offers guests a swimming pool, a king bed and a nearby beach. The Courtyard by Marriott San Diego Airport/Liberty Station also has convenient amenities like a cafe, a swimming pool and a firepit.
Are there private lounges in San Diego Intl. Airport (SAN)?
Check SAN's website to find out what amenities are available, such as lounges. If you're searching for things to do before boarding your flight, wander the airport shops, grab a bite to eat, or simply enjoy watching the planes fly in and out.
What airlines fly out of San Diego Intl. Airport (SAN)?
You have loads of choices when flying out of San Diego Airport with these top domestic carriers:

  • Alaska Airlines
  • United Airlines
  • Delta Air Lines

If you're ready to venture to faraway destinations, these popular carriers will get you there from San Diego Intl. Airport (SAN):

  • British Airways
  • Alaska Airlines
  • Lufthansa

How many flights per day fly out of SAN?
On average, there are 272 flights from San Diego Intl. Airport (SAN) a day. Wherever in the world you're headed, you'll find an awesome deal with Expedia.
How to find cheap flights from SAN with Expedia?
After you've entered your destination and travel dates, you can sort your results by price, along with filter by airline, departure time and more. The cheapest one-way flight from San Diego, CA (SAN-San Diego Intl.) was to Denver (DEN) at AED880. These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. Expedia makes it simple to land a cheap flight from your departure airport to wherever you're headed. Once you've entered your destination and dates, use the filters to the left and sort by "Price (Lowest)" to see the cheapest and most suitable options. You can also click "Flexible dates" at the top of the page to browse the best prices for nearby days.
Where can you fly to from San Diego Airport?
Flights from San Diego Airport travel all over the world, but the three most popular destinations for international travelers are London, Cabo San Lucas and Munich. If you can only spare enough time for a short weekend escape, stay within the country and fly to San Francisco, Las Vegas or Phoenix. No matter your schedule, we've got unrivaled deals and a fabulous destination just waiting for you.
What is the cancellation policy on flights and how do I cancel my flight on Expedia?
Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our Customer Service Portal.